PRE-REGISTRATION INCLUSION CRITERIA: PRE-REGISTRATION INCLUSION CRITERIA Pre-registration Eligibility Inclusion Criteria for the PIKCA Mutant Cohort (closed //) SPECIFIC INCLUSION CRITERIA FOR PRE-SURGICAL COHORT: INCLUSION CRITERIA FOR PRE-REGISTRATION (PATIENTS WITH UNKNOWN HER MUTATION STATUS TO HAVE TUMOR TISSUE SCREENED): PRE-REGISTRATION INCLUSION CRITERIA: PRE-REGISTRATION- INCLUSION CRITERIA INCLUSION CRITERIA FOR LEUKAPHERESIS AND PRE-THERAPY EVALUATION: PRE-REGISTRATION: Determined by study doctor that patient is unlikely to meet inclusion criteria after screening. PRE-REGISTRATION INCLUSION CRITERIA: Scheduled for a transurethral resection of bladder tumor (TURBT) PRE-REGISTRATION INCLUSION CRITERIA: Willing to submit tissue for required correlative research PRE-REGISTRATION INCLUSION CRITERIA PRE-REGISTRATION-INCLUSION CRITERIA PRE-REGISTRATION INCLUSION PRE-REGISTRATION INCLUSION: PRE-REGISTRATION INCLUSION CRITERIA PRE-REGISTRATION INCLUSION CRITERIA INCLUSION CRITERIA FOR ENROLLMENT (PRE-TRANSPLANT) PRE-REGISTRATION INCLUSION CRITERIA PRE-REGISTRATION INCLUSION CRITERIA